At first, she was in charge of Red Cross Society depots of the 10th Army, and in 1916 was admitted as a volunteer in the 18th Orenburg Cossack Regiment and took part in the fighting.
In 1917, Danzas was slated to debate in Saint Petersburg State University Master's degree in world history, but the disputation was not held.
In addition, she lectured on the history of England and France in the Bekhterev Research Institute and was a member of the Philosophical Society at the University of Petrograd, was one of the organizers of the "Union of Catholic Wisdom", collaborated with the publishing house " World Literature ", and prepared the monograph "Plato".
In September 1932, she was transferred to the camp at the station Bear Mountain, where she worked in the Department of Statistics Construction Management White Sea–Baltic Canal.
She settled first in Berlin with her brother, then in France, at first at the Monastery of Prull, and then in Lille, where she worked in the Dominican Center for Russian Studies, "Truth."
In France, she contributed to the magazine Russie et Chrétienté and wrote a memoir of the Solovetsky camp,[1] published anonymously, as well as books on the history of Russian religious thought,[2] (which attracted a sharp negative review from Nikolai Berdyaev ) and a religious book, Les réminiscences gnostiques dans la philosophie religieuse russe moderne.
There, in Russian, she published the book Knowledge of God and the Catholic Marxist Atheism (1942) and in Italian a biography of the late Empress Alexandra Feodorovna.